Stack class methods in Java

java.util.Stack

The Stack class represents a last-in-first-out(LIFO) stack of objects. It extends class Vector with five operations that allow a vector to be treated as a stack.

Some methods of  Stack class

empty(): This method tests if this stack is empty.

peek(): This method looks at the object at the top of this stack without removing it from the stack.

pop(): This method removes the object at the top of this stack and returns that object as the value of this function.

push(K): This method pushes an item onto the top of this stack.

search(Object): This method returns the 1-based position where an object is on this stack.